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principal quantum number

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noun Physics.
the nonnegative, integral quantum number that defines the stationary orbits in the Bohr model of the atom.
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Also called total quantum number.

Origin of principal quantum number

First recorded in 1920–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use principal quantum number in a sentence

Scientific definitions for principal quantum number

principal quantum number
[ prĭnsə-pəl ]

See under quantum number.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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